Messages in this thread | | | Date | Wed, 9 Mar 2011 13:27:35 -0800 | From | Greg KH <> | Subject | Re: [PATCH v3][RESEND] Check for immutable/append flag in fallocate path |
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On Wed, Mar 09, 2011 at 08:42:25PM +0100, Marco Stornelli wrote: > Il 05/03/2011 11:10, Marco Stornelli ha scritto: > > From: Marco Stornelli <marco.stornelli@gmail.com> > > > > In the fallocate path the kernel doesn't check for the immutable/append > > flag. It's possible to have a race condition in this scenario: an > > application open a file in read/write and it does something, meanwhile > > root set the immutable flag on the file, the application at that point > > can call fallocate with success. In addition, we don't allow to do any > > unreserve operation on an append only file but only the reserve one. > > > > Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com> > > Al, can you apply this patch please? I add Greg in cc, because maybe he > could be interested about stable tree.
Please read Documentation/stable_kernel_rules.txt for how to get patches into stable kernel releases (hint, emailing me like this is not the way to do it...)
thanks,
greg k-h
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